Iterative Unreplicated Parallel Interference Canceler for MDL-Tolerant Dense SDM (12-Core x 3-Mode) Transmission Over 3000 km

被引：15

作者：

Shibahara, Kohki ^{[1
]}

Mizuno, Takayuki ^{[1
]}

Lee, Doohwan ^{[1
]}

Miyamoto, Yutaka ^{[1
]}

Ono, Hirotaka ^{[2
]}

Nakajima, Kazuhide ^{[3
]}

Amma, Yoshimichi ^{[4
]}

Takenaga, Katsuhiro ^{[4
]}

Saitoh, Kunimasa ^{[5
]}

机构：

[1] NTT Corp, NTT Network Innovat Labs, Yokosuka, Kanagawa 2390847, Japan

[2] NTT Corp, NTT Device Technol & Labs, Atsugi, Kanagawa 2430198, Japan

[3] NTT Corp, NTT Access Network Serv Syst Labs, Tsukuba, Ibaraki 3050805, Japan

[4] Fujikura Ltd, Adv Technol Lab, Sakura 2858550, Japan

[5] Hokkaido Univ, Sapporo, Hokkaido 0600814, Japan

来源：

JOURNAL OF LIGHTWAVE TECHNOLOGY | 2019年 / 37卷 / 06期

关键词：

MIMO equalisation; mode dependent loss (MDL); parallel interference cancellation (UPIC); space division multiplexing (SDM); successive interference cancellation (SIC); SYSTEM;

D O I：

10.1109/JLT.2019.2891554

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We propose a novel multiple-input multiple-output (MIMO) detection scheme based on iterative unreplicated parallel interference cancelling (UPIC) technique for mode dependent loss (MDL)-impaired few-mode fibre (FMF) transmission. An optical MIMO channel over an FMF exhibits a mode-dependent property where each mode division multiplexed signal is passed through a different lossy channel, known as an MDL phenomena. One challenging issue for realising future deployable space division multiplexing (SDM) systems is establishing reliable and robust signal transmission techniques in the presence of MDL. The main contributions of this paper include first, a proposal of newly developed iterative interference cancellation technique with parallel processing for MDL-impact mitigation, second, a comparative study on performance of MIMO detection schemes, and third, a demonstration of the longest dense SDM transmission over multicore (MC)-FMF. The proposed UPIC with iterative processing is experimentally shown to improve Q-factors by more than 3 dB, and record-long dense SDM transmission reach exceeding 3000 km over 12-core x 3-mode MC-FMF was achieved.

引用

页码：1560 / 1569

页数：10

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